Home / 39,265.28-54,233.28-28,638.08

Finding the Fourth Proportional to 39,265.28, 54,233.28 and 28,638.08

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Solution

The fourth proportional to 39,265.28, 54,233.28 and 28,638.08 is: 39,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,265.28 : 54,233.28 = 28,638.08 : x
  2. Step 2: Convert to fraction form
    39,265.28/54,233.28 = 28,638.08/x
  3. Step 3: Cross multiply
    39,265.28x = 54,233.28 × 28,638.08
  4. Step 4: Simplify right side
    39,265.28x = 1,553,137,011.30
  5. Step 5: Solve for x
    x = 1,553,137,011.30/39,265.28
  6. Step 6: Final answer
    x = 39,554.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.